Roots Blower — NSR Series 0.55 to 355 KW

Positive-displacement twin-lobe Roots blowers for aeration, pneumatic conveying and pressure/vacuum duty. Standard NSR and high-pressure NSR-H series, bore 40–350 A.

0.55 – 355 KWPower

9.8 – 98 kPaMax pressure

up to 342 m³/minMax air flow

NSR40 – NSR350Models

Specification WhatsApp

NSR Standard Series — discharge pressure 9.8–58.8 kPa

Model	Bore (A)	Speed (rpm)	Air flow (m³/min)
NSR40	40	1250–2400	0.4–1.3
NSR50	50	1100–2300	1.2–3.8
NSR65	65	1110–2300	1.7–5.4
NSR80	80	1130–2300	3.4–9.5
NSR100	100	1060–2200	4.6–13.6
NSR125	125	980–2000	6.5–16.0
NSR150	150	810–1900	12–33.5
NSR175	175	900–1620	30–40.4
NSR200	200	740–1480	23–58
NSR250	250	1160–1480	58–98
NSR300	300	990–1480	83–138
NSR350	350	650–980	142–342

NSR-H High-Pressure Series — discharge pressure 63.7–98.1 kPa

Model	Bore (A)	Speed (rpm)	Air flow (m³/min)
NSR-50H	50	1100–2140	0.6–5.7
NSR-65H	65	1100–2300	0.9–7.2
NSR-80H	80	1140–2300	2.3–12.3
NSR-100H	100	1060–2200	3.2–19.6
NSR-125H	125	980–1850	5.2–23.2
NSR-150H	150	810–1740	10.3–65.0
NSR-200H	200	810–1480	27.3–112
NSR-250H	250	990–1360	61.2–185
NSR-300H	300	970–1480	86.9–270
NSR-350H	350	650–980	130.6–342

Flow ranges at 50 Hz; 60 Hz and NSR-H selection on request.

Roots Blower — NSR Series 0.55 to 355 KW

Wastewater Aeration

Pneumatic Conveying

Aquaculture

Desulfurization

Vacuum Duty

High-Pressure Duty

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